DIR911T User Guide
22
Each of the controls and ports is described in the Table #1 below.
NOTE: A later chapter completely describes the pin numbering and pin function of each
port on the front panel.
Legend Description
A SYSTEM BUTTON: The system button is used to enter and exit
system mode.
B LINE BUTTON: The line button is used to select the currently active
line. Pressing this button will cycle the unit through the number of
lines for which it is configured. When in system mode, this button
selects the line for which the current configuration values are to be
changed (if it is a line-specific setting).
C LINE DISPLAY: The 5 by 7 LED array displays the currently active
line. When in system mode, the display flashes ‘S’
D LCD SCREEN: The DIR911t contains a 40 by 4 character LCD
display used to present information to the user. LCD contrast may be
adjusted via the LCD CONTRAST ADJUST thumb wheel (Legend
#J)
E SOFT KEYS: There are 4 soft keys whose function is
programmable. The bottom row of the LCD display will indicate the
current function of these keys.
F SAVE BUTTON: Used to toggle the saved state of the current call
on the selected line. Calls marked as saved are not deleted when the
unit needs space for new calls.
G RECALL BUTTON: Used to enter recall mode. This is the mode
where a recorded call can be played back.
H FILTER BUTTON: Used to enable and disable the call filter.
I FILTER LED: Used to indicate whether the call filter is active.
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